Diversity and biogeography of land snails (Mollusca, Gastropoda) in the limestone hills of Perak, Peninsular Malaysia Author Foon, Junn Kitt Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia & Rimba, 22 - 3 A, Casa Kiara 2, Jalan Kiara 5, 50480 Kuala Lumpur, Malaysia Author Clements, Gopalasamy Reuben Rimba, 22 - 3 A, Casa Kiara 2, Jalan Kiara 5, 50480 Kuala Lumpur, Malaysia & Department of Biological Sciences, Sunway University, No. 5 Jalan Universiti, 47500 Bandar Sunway, Selangor, Malaysia Author Liew, Thor-Seng Institute for Tropical Biology and Conservation, Universiti Malaysia Sabah, Jalan UMS, 88400 Kota Kinabalu, Sabah, Malaysia & Rimba, 22 - 3 A, Casa Kiara 2, Jalan Kiara 5, 50480 Kuala Lumpur, Malaysia thorsengliew@gmail.com text ZooKeys 2017 2017-07-04 682 1 94 http://dx.doi.org/10.3897/zookeys.682.12999 journal article http://dx.doi.org/10.3897/zookeys.682.12999 1313-2970-682-1 0AE82225C67E4D908BBEC30124E6C312 FFBCE458FFDBFFC93B2EFFB2F562FFBE 3484859 Paropeas tchehelense (de Morgan, 1885b) Figure 29C Materials examined. Prk 64 Bt Kepala Gajah: BOR/ MOL 10121 , BOR/ MOL 10087 , BOR/ MOL 10131 , BOR/ MOL 10165 . mykarst-184 Bat Cave : BOR/MOL 9767, BOR/MOL 9797, BOR/MOL 9831. mykarst-025: BOR/MOL 9384, BOR/MOL 9406, BOR/MOL 9439, BOR/MOL 9508, BOR/ MOL 12430 . Prk 47 Kanthan : BOR/MOL 9050, BOR/MOL 9144. mykarst-027: BOR/MOL 9098, BOR/MOL 9014. Prk 23 G. Rapat : BOR/ MOL 10209 , BOR/ MOL 10032 , BOR/ MOL 10047 , BOR/ MOL 10233 , BOR/ MOL 10257 . mykarst-185 Batu Kebelah : BOR/MOL 9162, BOR/MOL 9543. Prk 42 G. Bercham : BOR/MOL 9216, BOR/ MOL 10581 , BOR/ MOL 10591 . Prk 36 Gua Datok : BOR/ MOL 10059 , BOR/ MOL 10428 , BOR/ MOL 10451 . Prk 53 Hill KF : BOR/ MOL 10675 . Prk 34 G. Tasek : BOR/ MOL 10792 , BOR/ MOL 11029 , BOR/ MOL 11186 . Prk 01 G. Tempurung : BOR/ MOL 11146 , BOR/ MOL 11383 , BOR/ MOL 11416 . Prk 55 G. Pondok : BOR/ MOL 11511 , BOR/ MOL 11483 , BOR/ MOL 11550 , BOR/ MOL 11565 . Distribution. In Peninsular Malaysia, known from Perak, Selangor, Pahang and Kelantan ( Maassen 2001 ). Elsewhere, in Jalor (=Yala), Thailand ( Maassen 2001 ). Remarks. Distinguished from all confamilials by its large shell, rounded apical whorls, fine but pronounced radial ribs and angular lower periphery.